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Finding the Fourth Proportional to 273,295.17, 377,441.37 and 208,068.62

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Solution

The fourth proportional to 273,295.17, 377,441.37 and 208,068.62 is: 287,358.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,295.17 : 377,441.37 = 208,068.62 : x
  2. Step 2: Convert to fraction form
    273,295.17/377,441.37 = 208,068.62/x
  3. Step 3: Cross multiply
    273,295.17x = 377,441.37 × 208,068.62
  4. Step 4: Simplify right side
    273,295.17x = 78,533,703,099.60
  5. Step 5: Solve for x
    x = 78,533,703,099.60/273,295.17
  6. Step 6: Final answer
    x = 287,358.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.